Helix Race Cassette 12s AL Cogs e*thirteen Bronze S3-Size-261mm T+ Aluminum Series Aerobars to

T+ Aluminum Series Aerobars to fit a wide range of riding styles

This shrinks the puncture down to a manageable size

Universal Fit sizing (Adult

bags and packs

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Helix Race Cassette 12s AL Cogs e*thirteen Bronze S3-Size-261mm T+ Aluminum Series Aerobars toe*thirteen Helix Race Cassette 12 speed Replacement Cluster 43 52T Bronze Unlike SRAM Eagle, Helix Race cassettes have replaceable gear clusters. That means ongoing service and replacement costs will be less than half that of SRAM cassettes. As an added bonus, Helix Race 12s clusters are backward compatible with and can be used to upgrade your existing Helix or TRS+ 9 50T cassette. The 43 52T aluminum section will fit on your old 9 50T steel section